Shoe upper



FIG. 1 is a left side elevational view of a shoe upper, showing my new design, the right side being a mirror image thereof;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof; and,

FIG. 4 is a front elevational view thereof.

The broken line showing of a shoe sole in FIGS. 1-4 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a shoe upper, as shown and described. 